DE3417841C2 - - Google Patents
Info
- Publication number
- DE3417841C2 DE3417841C2 DE3417841A DE3417841A DE3417841C2 DE 3417841 C2 DE3417841 C2 DE 3417841C2 DE 3417841 A DE3417841 A DE 3417841A DE 3417841 A DE3417841 A DE 3417841A DE 3417841 C2 DE3417841 C2 DE 3417841C2
- Authority
- DE
- Germany
- Prior art keywords
- fibers
- acrylic fibers
- phosphorus
- acrylic
- surfactants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000835 fiber Substances 0.000 claims description 61
- 239000004094 surface-active agent Substances 0.000 claims description 55
- 229920002972 Acrylic fiber Polymers 0.000 claims description 52
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 20
- 229910052698 phosphorus Inorganic materials 0.000 claims description 20
- 239000011574 phosphorus Substances 0.000 claims description 20
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 18
- 229910052731 fluorine Inorganic materials 0.000 claims description 18
- 239000011737 fluorine Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 14
- 239000006185 dispersion Substances 0.000 claims description 9
- -1 hydroxyethyl group Chemical group 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 238000004581 coalescence Methods 0.000 description 22
- 229920000049 Carbon (fiber) Polymers 0.000 description 17
- 239000004917 carbon fiber Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 238000003763 carbonization Methods 0.000 description 6
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000005074 zinc chloride Nutrition 0.000 description 3
- 239000011592 zinc chloride Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- JHUFGBSGINLPOW-UHFFFAOYSA-N 3-chloro-4-(trifluoromethoxy)benzoyl cyanide Chemical compound FC(F)(F)OC1=CC=C(C(=O)C#N)C=C1Cl JHUFGBSGINLPOW-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001734 carboxylic acid salts Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 229920006240 drawn fiber Polymers 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000000963 oxybis(methylene) group Chemical group [H]C([H])(*)OC([H])([H])* 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- SZHIIIPPJJXYRY-UHFFFAOYSA-M sodium;2-methylprop-2-ene-1-sulfonate Chemical compound [Na+].CC(=C)CS([O-])(=O)=O SZHIIIPPJJXYRY-UHFFFAOYSA-M 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58083483A JPS59228069A (ja) | 1983-05-14 | 1983-05-14 | アクリロニトリル系繊維 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3417841A1 DE3417841A1 (de) | 1984-11-15 |
| DE3417841C2 true DE3417841C2 (US20110009641A1-20110113-C00185.png) | 1987-07-02 |
Family
ID=13803713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843417841 Granted DE3417841A1 (de) | 1983-05-14 | 1984-05-14 | Acrylfasern fuer die herstellung von voroxidierten fasern |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102623A1 (de) * | 2001-01-20 | 2002-08-01 | Geesthacht Gkss Forschung | Verfahren und Vorrichtung zur Bestimmung des Molekulargewichts von Polymeren |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5494746A (en) * | 1991-01-03 | 1996-02-27 | Mitsubishi Kasei Corporation | Acrylic fiber and process for producing the same |
| US5413858A (en) * | 1992-02-25 | 1995-05-09 | Mitsubishi Rayon Co., Ltd. | Acrylic fiber and process for production thereof |
| US6043168A (en) * | 1997-08-29 | 2000-03-28 | Kimberly-Clark Worldwide, Inc. | Internal and topical treatment system for nonwoven materials |
| JP4856724B2 (ja) | 2007-11-07 | 2012-01-18 | 三菱レイヨン株式会社 | 炭素繊維前駆体アクリル繊維用油剤組成物、炭素繊維前駆体アクリル繊維束及びその製造方法 |
| US9328317B2 (en) * | 2011-11-04 | 2016-05-03 | The Chemours Company Fc, Llc | Fluorophosphate surfactants |
| JP6325764B1 (ja) * | 2016-12-02 | 2018-05-16 | 竹本油脂株式会社 | 炭素繊維前駆体用油剤及び炭素繊維前駆体 |
| WO2018100787A1 (ja) * | 2016-12-02 | 2018-06-07 | 竹本油脂株式会社 | 炭素繊維前駆体用油剤及び炭素繊維前駆体 |
| JP6325765B1 (ja) * | 2016-12-02 | 2018-05-16 | 竹本油脂株式会社 | 炭素繊維前駆体用油剤及び炭素繊維前駆体 |
| JP6325763B1 (ja) * | 2016-12-02 | 2018-05-16 | 竹本油脂株式会社 | 炭素繊維前駆体用油剤及び炭素繊維前駆体 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3232790A (en) * | 1961-06-24 | 1966-02-01 | Pfersee Chem Fab | Method for treating textile with perfluoroalkyl compounds and the treated textile |
| US3459722A (en) * | 1965-10-26 | 1969-08-05 | Murray Zanger | Fluorine-containing polymer |
| US3997604A (en) * | 1967-01-02 | 1976-12-14 | Produits Chimiques Ugine Kuhlmann | Mixtures of perfluoroaliphatic substituted amino compounds and the method for preparing the same |
| CH539727A (de) * | 1968-04-16 | 1973-02-28 | Daikin Ind Ltd | Verfahren zur Erzielung von dauerhaften öl-, wasserabweisendmachenden sowie antistatischen Eigenschaften auf Textilfasern |
| US3810772A (en) * | 1971-07-16 | 1974-05-14 | Air Prod & Chem | Fluorochemical compositions for organophobic sizing of paper products |
| US3736164A (en) * | 1971-07-16 | 1973-05-29 | Air Prod & Chem | Organophobic and hydrophobic surface coatings |
| US3975482A (en) * | 1972-06-21 | 1976-08-17 | Celanese Corporation | Process for drawing acrylic fibrous materials to form a product which particularly is suited for thermal stabilization and carbonization |
| US3980715A (en) * | 1975-03-21 | 1976-09-14 | Diamond Shamrock Corporation | Nonionic fluorochemical surfactants |
| US4140709A (en) * | 1975-03-21 | 1979-02-20 | Diamond Shamrock Corporation | Anionic fluorochemical surfactants |
| US4098741A (en) * | 1976-09-30 | 1978-07-04 | Basf Wyandotte Corporation | Phosphorus-containing polyester and size compositions |
| US4193880A (en) * | 1979-01-08 | 1980-03-18 | Allied Chemical Corporation | Application of fluorocarbon compound to synthetic organic polymer yarn |
| JPS5685434A (en) * | 1979-12-08 | 1981-07-11 | Toho Beslon Co | Production of fire retardant fiber spun yarn |
| JPS57112410A (en) * | 1980-12-27 | 1982-07-13 | Toho Rayon Co Ltd | Acrylonitrile fiber and its production |
| JPS588124A (ja) * | 1981-07-04 | 1983-01-18 | Nippon Carbon Co Ltd | 炭素繊維の製造法 |
| US4606737A (en) * | 1984-06-26 | 1986-08-19 | Minnesota Mining And Manufacturing Company | Fluorochemical allophanate compositions and fibrous substrates treated therewith |
-
1983
- 1983-05-14 JP JP58083483A patent/JPS59228069A/ja active Granted
-
1984
- 1984-05-11 FR FR8407324A patent/FR2545847B1/fr not_active Expired
- 1984-05-14 US US06/610,080 patent/US4659623A/en not_active Expired - Lifetime
- 1984-05-14 DE DE19843417841 patent/DE3417841A1/de active Granted
- 1984-05-14 GB GB08412256A patent/GB2142665B/en not_active Expired
-
1988
- 1988-09-30 US US07/252,074 patent/US4898700A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102623A1 (de) * | 2001-01-20 | 2002-08-01 | Geesthacht Gkss Forschung | Verfahren und Vorrichtung zur Bestimmung des Molekulargewichts von Polymeren |
| DE10102623C2 (de) * | 2001-01-20 | 2003-04-10 | Geesthacht Gkss Forschung | Verfahren und Vorrichtung zur Bestimmung des Molekulargewichts von Polymeren |
Also Published As
| Publication number | Publication date |
|---|---|
| US4659623A (en) | 1987-04-21 |
| US4898700A (en) | 1990-02-06 |
| GB2142665B (en) | 1987-07-01 |
| JPS59228069A (ja) | 1984-12-21 |
| GB8412256D0 (en) | 1984-06-20 |
| DE3417841A1 (de) | 1984-11-15 |
| JPH0219232B2 (US20110009641A1-20110113-C00185.png) | 1990-05-01 |
| GB2142665A (en) | 1985-01-23 |
| FR2545847A1 (fr) | 1984-11-16 |
| FR2545847B1 (fr) | 1987-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: TOHO RAYON CO., LTD., TOKIO/TOKYO, JP |
|
| 8128 | New person/name/address of the agent |
Representative=s name: EITLE, W., DIPL.-ING. HOFFMANN, K., DIPL.-ING. DR. |
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| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |